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3 years ago

What is the approximate percent decrease from 1805 to 1240

Mathematics

2 answers:

vazorg [7]3 years ago

6 0

Answer:

31%

Step-by-step explanation:

To find the percent decrease, we can do (original - current) / original.

(1805 - 1240) / 1805 = 0.31 = 31%

Oliga [24]3 years ago

6 0

Answer:

33.5% 50% 66.5% 150%

Step-by-step explanation:

So to calculate percentage after decreases you. Step 1) Get the percentage of the original number. If the percentage is an increase then add it to 100, if it is a decrease then subtract it from 100. Step 2) Divide the percentage by 100 to convert it to a decimal. Step 3) Divide the final number by the decimal to get back to the original number. Then you apply this formula to the equation to get the answer.

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3 years ago

Mrs Wright spent 2/9 of her paycheck on food and 1/3 on rent. She spent 1/4 of the remainder on transportation. She had $210 lef

Troyanec [42]

Mrs Wright's paycheck was $ 630

<u>Solution:</u>

Given that,

Mrs Wright spend on food = $\frac{2}{9}$

Fraction spent on rent = $\frac{1}{3}$

She spent 1/4 of the remainder on transportation

Remaining left with her = $ 210

Let the paycheck amount be "n"

Now, we know that, paycheck amount = used amount + left over amount

Here, left over amount = 210

Paycheck amount = 2/9 of paycheck on food + 1/3 of paycheck on rent + 1/4 of remainder on transportation + 210

$n=\frac{2}{9} n+\frac{1}{3} n+\frac{1}{4}\left(n-\frac{2}{9} n-\frac{1}{3} n\right)+210$

Upon simplifying we get,

$n=\frac{2}{9} n+\frac{3}{9} n+\frac{1}{4} n\left(1-\frac{2}{9}-\frac{3}{9}\right)+210$

$n=\left(\frac{2}{9}+\frac{3}{9}\right) n+\frac{1}{4} n\left(1-\frac{(2+3)}{9}\right)+210$

On simplification, we get

$n=\frac{5}{9} n+\frac{1}{4} n \times \frac{4}{9}+210$

$\mathrm{n}=\frac{5}{9} \mathrm{n}+\frac{1}{9} \mathrm{n}+210$

On adding fractions we get,

$\begin{array}{l}{\mathrm{n}=\frac{6}{9} \mathrm{n}+210} \\\\ {\mathrm{n}-\frac{2}{3} \mathrm{n}=210} \\\\ {\frac{1}{3} \mathrm{n}=210} \\\\ {\mathrm{n}=3 \times 210=630}\end{array}$

Hence, the paycheck amount is $630

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3 years ago